4-4
Troubleshooting
Power On Issues
0
If the system does not power on, perform the following:
Figure 4-1.
Power On Issue
Computer Shuts Down Intermittently
0
If the system powers off at intervals, perform the following.
1.
Makes sure the power cable is properly connected to the computer and the electrical outlet.
2.
Remove all extension cables between the computer and the outlet.
3.
Remove all surge protectors between the computer and the electrical outlet. Plug the
computer directly into a known serviceable electrical outlet.
4.
Disconnect the power and open the casing to check the thermal unit and fan airways are
free of obstructions.
5.
Remove all external and non-essential hardware connected to the computer that are not
necessary to boot the computer to the failure point.
6.
Remove any recently installed software.
7.
If the Issue is still not resolved, refer to
Online Support Information
.
Summary of Contents for E644
Page 1: ...eMachines E644 E644G SERVICEGUIDE ...
Page 4: ...iv ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 53: ...CHAPTER 2 System Utilities ...
Page 80: ...2 28 System Utilities ...
Page 81: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 84: ...3 4 ...
Page 118: ...3 38 Machine Maintenance Procedures ID Size Quantity Screw Type B ICW50 CPU Thermal Screw 4 ...
Page 135: ...CHAPTER 4 Troubleshooting ...
Page 162: ...4 28 Troubleshooting ...
Page 163: ...CHAPTER 5 Jumper and Connector Locations ...
Page 172: ...5 10 Jumper and Connector Locations ...
Page 173: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 174: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 18 ...
Page 191: ...CHAPTER 7 Model Definition and Configuration ...
Page 192: ...7 2 eMachines E644 7 3 eMachines E644G 7 8 ...
Page 200: ...7 10 Model Definition and Configuration ...
Page 201: ...CHAPTER 8 Test Compatible Components ...
Page 202: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 212: ...8 12 Test Compatible Components ...
Page 213: ...CHAPTER 9 Online Support Information ...
Page 214: ...9 2 Introduction 9 3 ...
Page 216: ...9 4 Online Support Information ...